Monday, 21 November 2005

Project - CNC Mill Bearing Blocks Part II

Back on the mill registering the plates to size.


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Here are the blanks.


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Find the center, drill with a 12mm drill


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Now bore out to clear the lock nut for the ballscrew


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Here I am using a bit of old scrap (one of the scrapped parts of my Steam Engine project). I have milled a register and drilled and tapped a hole in the center to mount the part. This way, I only have to set zero on the DRO once and I can drill and counterbore all three plates identically.


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Here is one of the keep plates mounted in the jig - I have just finished drilling all the holes.


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The housings and keep plates are complete.   I now need to make a spacer ring to keep the center races of the two bearings apart.


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Here I have turned the locating spigot off of my stub mandrel that I used to hold the housings for turning.  I have also drilled a 12mm hole 20mm deep in preparation for boring out to 18mm.


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Parting off a spacer ring.


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Assembly - Bearing goes in, followed by space ring, then followed by another bearing....


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The keep plates are then screwed on with M4 SHCS.


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1 comment:

Matt Hardy said...

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